Top network posts

• 12 Is $1 : 7 = 1 / 8$ or is it $1/7$?
• 9 A counterexample to the going down theorem
• 9 あんまり versus あまり
• 8 Does the contraction from the localized ring preserve colon ideals and ideal sums/products?
• 7 Inverse limits of groups of units of a ring.
• 7 Good textbooks on homological algebra
• 7 なくちゃ is the short informal of なくてはいけません but why is there なくちゃいけないの rather than なくちゃの?
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